Unable to browse to GUI when connected using WiFi

[bappleby]

Hi,

I have a Promox server connected to my home network via ethernet. I am unable to browse to my Proxmox GUI Web interface when the device running the browser is connected to my router via WiFi. As soon as I plug an Ethernet cable into my laptop I can connect, but not via the WiFi on the same device. I can ping the interface 192.168.0.90 when connected via WiFi but am unable to connect via the Chrome browser. If I connect via the browser on my phone or Chromebook, which are both wireless devices, it won't connect.

I only noticed this when I was trying to connect using my laptop from another room.

Any ideas? I cant see anyone else having this exact problem on here. See the attached files showing the interfaces.

 

[MagicFab]

What is your IP when:

• Connected with a wire ?
• Connected via wifi ?

Please share the result of :
ip a

...for both cases.

In your browser, you need to go to https://HOST_OR_IP:8006/

 

[bappleby]

I hope this makes sense, wifi adapter is 192.168.0.11 and ethernet adapter is 192.168.0.94

Everything connects fine until the ethernet is unplugged. If it was just on my Windows laptop, one would start looking at the firewall, etc. But why do the browsers on the phone and Chromebook refuse to connect? They are just grabbing another IP from the pool on the same subnet.

Does Proxmox have some sort of rules on the connection to the GUI and can it tell the difference between a browser connected over ethernet and wifi?

 

[bappleby]

Even further, I tried the same thing from my Raspberry Pi running Ubuntu. Exactly the same, using the Chromium browser, I can get to Proxmox via Ethernet but not via wifi.

 

[cheiss]

Does Proxmox have some sort of rules on the connection to the GUI and can it tell the difference between a browser connected over ethernet and wifi?

No.

Have you checked whether you can access other devices from any WiFi-connected device?
Maybe your router is completely isolating WiFi-Clients, such that they cannot access other devices on the same LAN? Could be due to some built-in rules, firewall, VLANs, etc.

 

[leetcore]

Try to check the connection with tracert IP and only try to connect to IP maybe some other DNS config in your wifi.

 

[bappleby]

Have you checked whether you can access other devices from any WiFi-connected device?

Yes, I can browse other devices on the network while using Wi-Fi. This is why it's so strange.

 

[bappleby]

Try to check the connection with tracert IP and only try to connect to IP maybe some other DNS config in your wifi.

See attached, I can tracert using wifi or Ethernet and even ping the device via wifi. Just can't browse on wifi, Ethernet is no problem. I am looking to see if the Proxmox GUI is locked down or configurable in anyway that could prevent this?

 

[bappleby]

Thanks all, this is now working, was a setting in my router causing the issue. Not sure which one as I changed a few.